Building a Windows standalone executable

1. Install Ruby 2.0.0 from http://rubyinstaller.org/downloads

2. Download and extract ruby developer kit from http://rubyinstaller.org/downloads

3. Open ruby command prompt from start menu

4. Run devkitvars.bat from extracted developer kit in ruby command prompt

   $ gem install pact $ gem install ocra $ gem install json $ gem install ioconsole

5. Go to gem directory (on my machine C:\Rub200\lib\ruby\gems\2.0.0\gems\pact-1.3.3\bin\

   $ ocra pact